Walkthroughs
and GuidesOutside link to all the information you'll need on this game, and more!Courtesy of: Gamefaqs.com

PASSWORD
CHEATSEnter one of the following passwords as a name, on the Options
screen...

ALL
REGULAR TRACKS AND CARS PASSWORD:SPOILT

BONUS
TRACK PASSWORDS:Enter the password: PLAYTM to get the Toy Room Car
track
Enter the password: XCAV8 to get the Caverns Underground track
Enter the password: XCNTRY to get the Auto Cross Canyon track
Enter the password: MNBEAM to get the Space Race Space station track
Enter the password: GLDFSH to get the Scorpio-7Underwater track
Enter the password: MCITYZ to get the Caverns Empire City Bonus track

BONUS
CAR PASSWORDSEnter the password: ROCKET to get the El Niño
supercar
Enter the password: 1JAGX to get the Jaguar XJR-15
Enter the password: AMGMRC to get the Mercedes Benz
CLK